https://padlet.com/cadieuxdj/zcv0dlt95z4kn3t1 Biology 30 - Soule en-us 2021-04-11 08:30:12 UTC 2021-04-18 21:04:16 UTC hello@padlet.com cadieuxdj https://padlet.com/cadieuxdj/zcv0dlt95z4kn3t1/wish/1403755689 Beginning with copulation, sperm is delivered into the female vagina and makes its way to the fallopian tubes. A sperm cell will implant itself inside the egg if it is a match.]]> 2021-04-11 08:31:50 UTC https://padlet.com/cadieuxdj/zcv0dlt95z4kn3t1/wish/1403755689 cadieuxdj https://padlet.com/cadieuxdj/zcv0dlt95z4kn3t1/wish/1403756107 Once the chromosomes of the sperm and egg combine, the resulting cell is called a zygote. ]]> 2021-04-11 08:32:07 UTC https://padlet.com/cadieuxdj/zcv0dlt95z4kn3t1/wish/1403756107 cadieuxdj https://padlet.com/cadieuxdj/zcv0dlt95z4kn3t1/wish/1403757147 (This is the division of cells) The zygote will now divide by mitosis producing two cells, they split again producing four- and they continue to split.]]> 2021-04-11 08:32:46 UTC https://padlet.com/cadieuxdj/zcv0dlt95z4kn3t1/wish/1403757147 cadieuxdj https://padlet.com/cadieuxdj/zcv0dlt95z4kn3t1/wish/1403758131 This is an early stage embryo and consists of 16 cells.]]> 2021-04-11 08:33:31 UTC https://padlet.com/cadieuxdj/zcv0dlt95z4kn3t1/wish/1403758131 cadieuxdj https://padlet.com/cadieuxdj/zcv0dlt95z4kn3t1/wish/1403759231 After the morula develops into a blastula, small groups of cells form inside of the blastula. The inner cell mass will later give rise to stem cells.]]> 2021-04-11 08:34:01 UTC https://padlet.com/cadieuxdj/zcv0dlt95z4kn3t1/wish/1403759231 cadieuxdj https://padlet.com/cadieuxdj/zcv0dlt95z4kn3t1/wish/1403760095 The blastula turns into a complete blastocyst now that it contains inner cell mass and the other "organs". Occurs during day 5-9.]]> 2021-04-11 08:34:31 UTC https://padlet.com/cadieuxdj/zcv0dlt95z4kn3t1/wish/1403760095 cadieuxdj https://padlet.com/cadieuxdj/zcv0dlt95z4kn3t1/wish/1403761710 After the embryo travels up the fallopian tubes, it implants in the women's endometrial lining of the uterus.]]> 2021-04-11 08:35:33 UTC https://padlet.com/cadieuxdj/zcv0dlt95z4kn3t1/wish/1403761710 cadieuxdj https://padlet.com/cadieuxdj/zcv0dlt95z4kn3t1/wish/1403762223 One of the three membranes that protect the embryo. It is the outermost membrane, its first job is to secrete HCG, and it later develops into placental wall.]]> 2021-04-11 08:35:51 UTC https://padlet.com/cadieuxdj/zcv0dlt95z4kn3t1/wish/1403762223 cadieuxdj https://padlet.com/cadieuxdj/zcv0dlt95z4kn3t1/wish/1403763308 This hormone maintains the corpus luteum so the corpus luteum can continue producing estrogen and progesterone to maintain the endometrium.]]> 2021-04-11 08:36:39 UTC https://padlet.com/cadieuxdj/zcv0dlt95z4kn3t1/wish/1403763308 cadieuxdj https://padlet.com/cadieuxdj/zcv0dlt95z4kn3t1/wish/1403763803 Pregnancy tests are able to determine if a woman is pregnant or not by the level of HCG in urine!]]> 2021-04-11 08:37:02 UTC https://padlet.com/cadieuxdj/zcv0dlt95z4kn3t1/wish/1403763803 cadieuxdj https://padlet.com/cadieuxdj/zcv0dlt95z4kn3t1/wish/1403764514 Another one of the three membranes that protect the embryo, the amnion grows into a fluid filled sac that insulates and protects the embryo.]]> 2021-04-11 08:37:32 UTC https://padlet.com/cadieuxdj/zcv0dlt95z4kn3t1/wish/1403764514 cadieuxdj https://padlet.com/cadieuxdj/zcv0dlt95z4kn3t1/wish/1403765072 The yolk sac will develop at the same time as the amnion but can not be seen until five weeks of gestation. It provides nutrition and gas exchange for the embryo before the placenta can take over.]]> 2021-04-11 08:37:53 UTC https://padlet.com/cadieuxdj/zcv0dlt95z4kn3t1/wish/1403765072 cadieuxdj https://padlet.com/cadieuxdj/zcv0dlt95z4kn3t1/wish/1403766094 The last of the three membranes however this does not protect the embryo, this helps with the yolk sac to produce blood cells. This will later on become the umbilical cord.]]> 2021-04-11 08:38:35 UTC https://padlet.com/cadieuxdj/zcv0dlt95z4kn3t1/wish/1403766094 cadieuxdj https://padlet.com/cadieuxdj/zcv0dlt95z4kn3t1/wish/1403766854 The process of which a blastula will form into a gastrula by undergoing more development.]]> 2021-04-11 08:39:05 UTC https://padlet.com/cadieuxdj/zcv0dlt95z4kn3t1/wish/1403766854 cadieuxdj https://padlet.com/cadieuxdj/zcv0dlt95z4kn3t1/wish/1403768699 These cells can self renew by dividing and also have the capacity to develop into the three germ layers in the early stages of the embryo. ]]> 2021-04-11 08:40:03 UTC https://padlet.com/cadieuxdj/zcv0dlt95z4kn3t1/wish/1403768699 cadieuxdj https://padlet.com/cadieuxdj/zcv0dlt95z4kn3t1/wish/1403769932 There are three germ layers (inner, middle, and outer) that develop as a result of gastrulation.]]> 2021-04-11 08:40:48 UTC https://padlet.com/cadieuxdj/zcv0dlt95z4kn3t1/wish/1403769932 cadieuxdj https://padlet.com/cadieuxdj/zcv0dlt95z4kn3t1/wish/1403771000 The inner layer that will soon develop into the liver, pancreas, thyroid, respiratory tract, and more. It's the first layer that must be created.]]> 2021-04-11 08:41:24 UTC https://padlet.com/cadieuxdj/zcv0dlt95z4kn3t1/wish/1403771000 cadieuxdj https://padlet.com/cadieuxdj/zcv0dlt95z4kn3t1/wish/1403771847 This is the second layer created, it is in the middle of the ectoderm and endoderm- the middle layer. Forms muscle, blood, bone etc. ]]> 2021-04-11 08:41:48 UTC https://padlet.com/cadieuxdj/zcv0dlt95z4kn3t1/wish/1403771847 cadieuxdj https://padlet.com/cadieuxdj/zcv0dlt95z4kn3t1/wish/1403773975 The last layer formed in gastrulation, this is the outer layer. Forms the brain, nervous system, teeth, mouth etc. ]]> 2021-04-11 08:43:15 UTC https://padlet.com/cadieuxdj/zcv0dlt95z4kn3t1/wish/1403773975 cadieuxdj https://padlet.com/cadieuxdj/zcv0dlt95z4kn3t1/wish/1403775423 After the process of gastrulation and the germ layers have developed, you are left with a gastrula. It is a multilayered and multicellular embryo.]]> 2021-04-11 08:44:13 UTC https://padlet.com/cadieuxdj/zcv0dlt95z4kn3t1/wish/1403775423 cadieuxdj https://padlet.com/cadieuxdj/zcv0dlt95z4kn3t1/wish/1403776401 When gastrulation ends, differentiation has begun. It's the process of cells developing a specific shape and performing specific functions.  ]]> 2021-04-11 08:44:55 UTC https://padlet.com/cadieuxdj/zcv0dlt95z4kn3t1/wish/1403776401 cadieuxdj https://padlet.com/cadieuxdj/zcv0dlt95z4kn3t1/wish/1403777936 This is the process that causes cells to develop its destined shape.]]> 2021-04-11 08:46:05 UTC https://padlet.com/cadieuxdj/zcv0dlt95z4kn3t1/wish/1403777936 cadieuxdj https://padlet.com/cadieuxdj/zcv0dlt95z4kn3t1/wish/1403778468 Differentiation is a term that refers to how cells become specialized, on the other hand morphogenesis refers to the development of the forms of living organisims.]]> 2021-04-11 08:46:30 UTC https://padlet.com/cadieuxdj/zcv0dlt95z4kn3t1/wish/1403778468 cadieuxdj https://padlet.com/cadieuxdj/zcv0dlt95z4kn3t1/wish/1403780360 These cells develop into specialised cell types that are present in a tissue or organ.]]> 2021-04-11 08:47:49 UTC https://padlet.com/cadieuxdj/zcv0dlt95z4kn3t1/wish/1403780360 cadieuxdj https://padlet.com/cadieuxdj/zcv0dlt95z4kn3t1/wish/1403781686 The changing of a cell to a more specialized cell type. There are three different types (Pluri, Multi, & Toti) of stem cells and they differentiate each in their own way!]]> 2021-04-11 08:48:51 UTC https://padlet.com/cadieuxdj/zcv0dlt95z4kn3t1/wish/1403781686 cadieuxdj https://padlet.com/cadieuxdj/zcv0dlt95z4kn3t1/wish/1403784095 These cells can create a complete organism. When given the right maternal support, they can create extraembryonic tissues and all tissues of the body.]]> 2021-04-11 08:50:37 UTC https://padlet.com/cadieuxdj/zcv0dlt95z4kn3t1/wish/1403784095 cadieuxdj https://padlet.com/cadieuxdj/zcv0dlt95z4kn3t1/wish/1403785368 Created by totipotent cells, the extra embyronic structures consist of the chorion, amnion, allantois, and yolk sac.]]> 2021-04-11 08:51:38 UTC https://padlet.com/cadieuxdj/zcv0dlt95z4kn3t1/wish/1403785368 cadieuxdj https://padlet.com/cadieuxdj/zcv0dlt95z4kn3t1/wish/1403787247 Carries oxygen and nutrients from the mother to the fetus and delivers waste from the fetus to mother.]]> 2021-04-11 08:53:03 UTC https://padlet.com/cadieuxdj/zcv0dlt95z4kn3t1/wish/1403787247 cadieuxdj https://padlet.com/cadieuxdj/zcv0dlt95z4kn3t1/wish/1403787769 This structure connects the fetus to the placenta and aids in the transfer of oxygen and nutrients. ]]> 2021-04-11 08:53:26 UTC https://padlet.com/cadieuxdj/zcv0dlt95z4kn3t1/wish/1403787769 cadieuxdj https://padlet.com/cadieuxdj/zcv0dlt95z4kn3t1/wish/1403787897 This refers to the development and formation of an embryo. Everything that has been mentioned and discussed in this presentation is the process of embryo development!]]> 2021-04-11 08:53:31 UTC https://padlet.com/cadieuxdj/zcv0dlt95z4kn3t1/wish/1403787897